resources/lib/jquery/jquery.migrate.js

   1 /*!
   2  * jQuery Migrate - v1.2.1 - 2013-05-08
   3  * https://github.com/jquery/jquery-migrate
   4  * Copyright 2005, 2013 jQuery Foundation, Inc. and other contributors; Licensed MIT
   5  *
   6  * Patched for MediaWiki to add mw.track calls. --Krinkle 2014-04-14
   7  */
   8 (function( jQuery, window, undefined ) {
   9 // See http://bugs.jquery.com/ticket/13335
  10 // "use strict";
  11
  12
  13 var warnedAbout = {};
  14
  15 // List of warnings already given; public read only
  16 jQuery.migrateWarnings = [];
  17
  18 // Set to true to prevent console output; migrateWarnings still maintained
  19 // jQuery.migrateMute = false;
  20
  21 // Show a message on the console so devs know we're active
  22 if ( !jQuery.migrateMute && window.console && window.console.log ) {
  23         window.console.log("JQMIGRATE: Logging is active");
  24 }
  25
  26 // Set to false to disable traces that appear with warnings
  27 if ( jQuery.migrateTrace === undefined ) {
  28         jQuery.migrateTrace = true;
  29 }
  30
  31 // Forget any warnings we've already given; public
  32 jQuery.migrateReset = function() {
  33         warnedAbout = {};
  34         jQuery.migrateWarnings.length = 0;
  35 };
  36
  37 function migrateWarn( msg, key ) {
  38         var console = window.console;
  39         /*
  40                 MediaWiki patch for tracking usage.
  41
  42                 Custom keys:
  43                 - andSelf
  44                 - attr-pass
  45                 - attr-prop
  46                 - bind-error
  47                 - clean
  48                 - create-html
  49                 - data-events
  50                 - die
  51                 - event-ajax
  52                 - event-global
  53                 - event-hover
  54                 - event-handle
  55                 - input-type
  56                 - json-invalid
  57                 - live
  58                 - sub
  59                 - toggle-handle
  60
  61                 Prop keys:
  62                 - attrFn
  63                 - browser
  64         */
  65         mw.track( "jquery.migrate", key || "unknown" );
  66
  67         if ( !warnedAbout[ msg ] ) {
  68                 warnedAbout[ msg ] = true;
  69                 jQuery.migrateWarnings.push( msg );
  70                 if ( console && console.warn && !jQuery.migrateMute ) {
  71                         console.warn( "JQMIGRATE: " + msg );
  72                         if ( jQuery.migrateTrace && console.trace ) {
  73                                 console.trace();
  74                         }
  75                 }
  76         }
  77 }
  78
  79 function migrateWarnProp( obj, prop, value, msg, key ) {
  80         if ( Object.defineProperty ) {
  81                 // On ES5 browsers (non-oldIE), warn if the code tries to get prop;
  82                 // allow property to be overwritten in case some other plugin wants it
  83                 try {
  84                         Object.defineProperty( obj, prop, {
  85                                 configurable: true,
  86                                 enumerable: true,
  87                                 get: function() {
  88                                         migrateWarn( msg, key || prop );
  89                                         return value;
  90                                 },
  91                                 set: function( newValue ) {
  92                                         migrateWarn( msg, key || prop );
  93                                         value = newValue;
  94                                 }
  95                         });
  96                         return;
  97                 } catch( err ) {
  98                         // IE8 is a dope about Object.defineProperty, can't warn there
  99                 }
 100         }
 101
 102         // Non-ES5 (or broken) browser; just set the property
 103         jQuery._definePropertyBroken = true;
 104         obj[ prop ] = value;
 105 }
 106
 107 if ( document.compatMode === "BackCompat" ) {
 108         // jQuery has never supported or tested Quirks Mode
 109         migrateWarn( "jQuery is not compatible with Quirks Mode" );
 110 }
 111
 112
 113 var attrFn = jQuery( "<input/>", { size: 1 } ).attr("size") && jQuery.attrFn,
 114         oldAttr = jQuery.attr,
 115         valueAttrGet = jQuery.attrHooks.value && jQuery.attrHooks.value.get ||
 116                 function() { return null; },
 117         valueAttrSet = jQuery.attrHooks.value && jQuery.attrHooks.value.set ||
 118                 function() { return undefined; },
 119         rnoType = /^(?:input|button)$/i,
 120         rnoAttrNodeType = /^[238]$/,
 121         rboolean = /^(?:autofocus|autoplay|async|checked|controls|defer|disabled|hidden|loop|multiple|open|readonly|required|scoped|selected)$/i,
 122         ruseDefault = /^(?:checked|selected)$/i;
 123
 124 // jQuery.attrFn
 125 migrateWarnProp( jQuery, "attrFn", attrFn || {}, "jQuery.attrFn is deprecated" );
 126
 127 jQuery.attr = function( elem, name, value, pass ) {
 128         var lowerName = name.toLowerCase(),
 129                 nType = elem && elem.nodeType;
 130
 131         if ( pass ) {
 132                 // Since pass is used internally, we only warn for new jQuery
 133                 // versions where there isn't a pass arg in the formal params
 134                 if ( oldAttr.length < 4 ) {
 135                         migrateWarn("jQuery.fn.attr( props, pass ) is deprecated", "attr-pass" );
 136                 }
 137                 if ( elem && !rnoAttrNodeType.test( nType ) &&
 138                         (attrFn ? name in attrFn : jQuery.isFunction(jQuery.fn[name])) ) {
 139                         return jQuery( elem )[ name ]( value );
 140                 }
 141         }
 142
 143         // Warn if user tries to set `type`, since it breaks on IE 6/7/8; by checking
 144         // for disconnected elements we don't warn on $( "<button>", { type: "button" } ).
 145         if ( name === "type" && value !== undefined && rnoType.test( elem.nodeName ) && elem.parentNode ) {
 146                 migrateWarn("Can't change the 'type' of an input or button in IE 6/7/8", "input-type");
 147         }
 148
 149         // Restore boolHook for boolean property/attribute synchronization
 150         if ( !jQuery.attrHooks[ lowerName ] && rboolean.test( lowerName ) ) {
 151                 jQuery.attrHooks[ lowerName ] = {
 152                         get: function( elem, name ) {
 153                                 // Align boolean attributes with corresponding properties
 154                                 // Fall back to attribute presence where some booleans are not supported
 155                                 var attrNode,
 156                                         property = jQuery.prop( elem, name );
 157                                 return property === true || typeof property !== "boolean" &&
 158                                         ( attrNode = elem.getAttributeNode(name) ) && attrNode.nodeValue !== false ?
 159
 160                                         name.toLowerCase() :
 161                                         undefined;
 162                         },
 163                         set: function( elem, value, name ) {
 164                                 var propName;
 165                                 if ( value === false ) {
 166                                         // Remove boolean attributes when set to false
 167                                         jQuery.removeAttr( elem, name );
 168                                 } else {
 169                                         // value is true since we know at this point it's type boolean and not false
 170                                         // Set boolean attributes to the same name and set the DOM property
 171                                         propName = jQuery.propFix[ name ] || name;
 172                                         if ( propName in elem ) {
 173                                                 // Only set the IDL specifically if it already exists on the element
 174                                                 elem[ propName ] = true;
 175                                         }
 176
 177                                         elem.setAttribute( name, name.toLowerCase() );
 178                                 }
 179                                 return name;
 180                         }
 181                 };
 182
 183                 // Warn only for attributes that can remain distinct from their properties post-1.9
 184                 if ( ruseDefault.test( lowerName ) ) {
 185                         migrateWarn( "jQuery.fn.attr('" + lowerName + "') may use property instead of attribute", "attr-prop" );
 186                 }
 187         }
 188
 189         return oldAttr.call( jQuery, elem, name, value );
 190 };
 191
 192 // attrHooks: value
 193 jQuery.attrHooks.value = {
 194         get: function( elem, name ) {
 195                 var nodeName = ( elem.nodeName || "" ).toLowerCase();
 196                 if ( nodeName === "button" ) {
 197                         return valueAttrGet.apply( this, arguments );
 198                 }
 199                 if ( nodeName !== "input" && nodeName !== "option" ) {
 200                         migrateWarn("jQuery.fn.attr('value') no longer gets properties", "attr-prop");
 201                 }
 202                 return name in elem ?
 203                         elem.value :
 204                         null;
 205         },
 206         set: function( elem, value ) {
 207                 var nodeName = ( elem.nodeName || "" ).toLowerCase();
 208                 if ( nodeName === "button" ) {
 209                         return valueAttrSet.apply( this, arguments );
 210                 }
 211                 if ( nodeName !== "input" && nodeName !== "option" ) {
 212                         migrateWarn("jQuery.fn.attr('value', val) no longer sets properties", "attr-prop");
 213                 }
 214                 // Does not return so that setAttribute is also used
 215                 elem.value = value;
 216         }
 217 };
 218
 219
 220 var matched, browser,
 221         oldInit = jQuery.fn.init,
 222         oldParseJSON = jQuery.parseJSON,
 223         // Note: XSS check is done below after string is trimmed
 224         rquickExpr = /^([^<]*)(<[\w\W]+>)([^>]*)$/;
 225
 226 // $(html) "looks like html" rule change
 227 jQuery.fn.init = function( selector, context, rootjQuery ) {
 228         var match;
 229
 230         if ( selector && typeof selector === "string" && !jQuery.isPlainObject( context ) &&
 231                         (match = rquickExpr.exec( jQuery.trim( selector ) )) && match[ 0 ] ) {
 232                 // This is an HTML string according to the "old" rules; is it still?
 233                 if ( selector.charAt( 0 ) !== "<" ) {
 234                         migrateWarn("$(html) HTML strings must start with '<' character", "create-html");
 235                 }
 236                 if ( match[ 3 ] ) {
 237                         migrateWarn("$(html) HTML text after last tag is ignored", "create-html");
 238                 }
 239                 // Consistently reject any HTML-like string starting with a hash (#9521)
 240                 // Note that this may break jQuery 1.6.x code that otherwise would work.
 241                 if ( match[ 0 ].charAt( 0 ) === "#" ) {
 242                         migrateWarn("HTML string cannot start with a '#' character", "create-html");
 243                         jQuery.error("JQMIGRATE: Invalid selector string (XSS)");
 244                 }
 245                 // Now process using loose rules; let pre-1.8 play too
 246                 if ( context && context.context ) {
 247                         // jQuery object as context; parseHTML expects a DOM object
 248                         context = context.context;
 249                 }
 250                 if ( jQuery.parseHTML ) {
 251                         return oldInit.call( this, jQuery.parseHTML( match[ 2 ], context, true ),
 252                                         context, rootjQuery );
 253                 }
 254         }
 255         return oldInit.apply( this, arguments );
 256 };
 257 jQuery.fn.init.prototype = jQuery.fn;
 258
 259 // Let $.parseJSON(falsy_value) return null
 260 jQuery.parseJSON = function( json ) {
 261         if ( !json && json !== null ) {
 262                 migrateWarn("jQuery.parseJSON requires a valid JSON string", "json-invalid");
 263                 return null;
 264         }
 265         return oldParseJSON.apply( this, arguments );
 266 };
 267
 268 jQuery.uaMatch = function( ua ) {
 269         ua = ua.toLowerCase();
 270
 271         var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
 272                 /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
 273                 /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
 274                 /(msie) ([\w.]+)/.exec( ua ) ||
 275                 ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
 276                 [];
 277
 278         return {
 279                 browser: match[ 1 ] || "",
 280                 version: match[ 2 ] || "0"
 281         };
 282 };
 283
 284 // Don't clobber any existing jQuery.browser in case it's different
 285 if ( !jQuery.browser ) {
 286         matched = jQuery.uaMatch( navigator.userAgent );
 287         browser = {};
 288
 289         if ( matched.browser ) {
 290                 browser[ matched.browser ] = true;
 291                 browser.version = matched.version;
 292         }
 293
 294         // Chrome is Webkit, but Webkit is also Safari.
 295         if ( browser.chrome ) {
 296                 browser.webkit = true;
 297         } else if ( browser.webkit ) {
 298                 browser.safari = true;
 299         }
 300
 301         jQuery.browser = browser;
 302 }
 303
 304 // Warn if the code tries to get jQuery.browser
 305 migrateWarnProp( jQuery, "browser", jQuery.browser, "jQuery.browser is deprecated" );
 306
 307 jQuery.sub = function() {
 308         function jQuerySub( selector, context ) {
 309                 return new jQuerySub.fn.init( selector, context );
 310         }
 311         jQuery.extend( true, jQuerySub, this );
 312         jQuerySub.superclass = this;
 313         jQuerySub.fn = jQuerySub.prototype = this();
 314         jQuerySub.fn.constructor = jQuerySub;
 315         jQuerySub.sub = this.sub;
 316         jQuerySub.fn.init = function init( selector, context ) {
 317                 if ( context && context instanceof jQuery && !(context instanceof jQuerySub) ) {
 318                         context = jQuerySub( context );
 319                 }
 320
 321                 return jQuery.fn.init.call( this, selector, context, rootjQuerySub );
 322         };
 323         jQuerySub.fn.init.prototype = jQuerySub.fn;
 324         var rootjQuerySub = jQuerySub(document);
 325         migrateWarn( "jQuery.sub() is deprecated", "sub" );
 326         return jQuerySub;
 327 };
 328
 329
 330 // Ensure that $.ajax gets the new parseJSON defined in core.js
 331 jQuery.ajaxSetup({
 332         converters: {
 333                 "text json": jQuery.parseJSON
 334         }
 335 });
 336
 337
 338 var oldFnData = jQuery.fn.data;
 339
 340 jQuery.fn.data = function( name ) {
 341         var ret, evt,
 342                 elem = this[0];
 343
 344         // Handles 1.7 which has this behavior and 1.8 which doesn't
 345         if ( elem && name === "events" && arguments.length === 1 ) {
 346                 ret = jQuery.data( elem, name );
 347                 evt = jQuery._data( elem, name );
 348                 if ( ( ret === undefined || ret === evt ) && evt !== undefined ) {
 349                         migrateWarn("Use of jQuery.fn.data('events') is deprecated", "data-events");
 350                         return evt;
 351                 }
 352         }
 353         return oldFnData.apply( this, arguments );
 354 };
 355
 356
 357 var rscriptType = /\/(java|ecma)script/i,
 358         oldSelf = jQuery.fn.andSelf || jQuery.fn.addBack;
 359
 360 jQuery.fn.andSelf = function() {
 361         migrateWarn("jQuery.fn.andSelf() replaced by jQuery.fn.addBack()", "andSelf");
 362         return oldSelf.apply( this, arguments );
 363 };
 364
 365 // Since jQuery.clean is used internally on older versions, we only shim if it's missing
 366 if ( !jQuery.clean ) {
 367         jQuery.clean = function( elems, context, fragment, scripts ) {
 368                 // Set context per 1.8 logic
 369                 context = context || document;
 370                 context = !context.nodeType && context[0] || context;
 371                 context = context.ownerDocument || context;
 372
 373                 migrateWarn("jQuery.clean() is deprecated", "clean");
 374
 375                 var i, elem, handleScript, jsTags,
 376                         ret = [];
 377
 378                 jQuery.merge( ret, jQuery.buildFragment( elems, context ).childNodes );
 379
 380                 // Complex logic lifted directly from jQuery 1.8
 381                 if ( fragment ) {
 382                         // Special handling of each script element
 383                         handleScript = function( elem ) {
 384                                 // Check if we consider it executable
 385                                 if ( !elem.type || rscriptType.test( elem.type ) ) {
 386                                         // Detach the script and store it in the scripts array (if provided) or the fragment
 387                                         // Return truthy to indicate that it has been handled
 388                                         return scripts ?
 389                                                 scripts.push( elem.parentNode ? elem.parentNode.removeChild( elem ) : elem ) :
 390                                                 fragment.appendChild( elem );
 391                                 }
 392                         };
 393
 394                         for ( i = 0; (elem = ret[i]) != null; i++ ) {
 395                                 // Check if we're done after handling an executable script
 396                                 if ( !( jQuery.nodeName( elem, "script" ) && handleScript( elem ) ) ) {
 397                                         // Append to fragment and handle embedded scripts
 398                                         fragment.appendChild( elem );
 399                                         if ( typeof elem.getElementsByTagName !== "undefined" ) {
 400                                                 // handleScript alters the DOM, so use jQuery.merge to ensure snapshot iteration
 401                                                 jsTags = jQuery.grep( jQuery.merge( [], elem.getElementsByTagName("script") ), handleScript );
 402
 403                                                 // Splice the scripts into ret after their former ancestor and advance our index beyond them
 404                                                 ret.splice.apply( ret, [i + 1, 0].concat( jsTags ) );
 405                                                 i += jsTags.length;
 406                                         }
 407                                 }
 408                         }
 409                 }
 410
 411                 return ret;
 412         };
 413 }
 414
 415 var eventAdd = jQuery.event.add,
 416         eventRemove = jQuery.event.remove,
 417         eventTrigger = jQuery.event.trigger,
 418         oldToggle = jQuery.fn.toggle,
 419         oldLive = jQuery.fn.live,
 420         oldDie = jQuery.fn.die,
 421         ajaxEvents = "ajaxStart|ajaxStop|ajaxSend|ajaxComplete|ajaxError|ajaxSuccess",
 422         rajaxEvent = new RegExp( "\\b(?:" + ajaxEvents + ")\\b" ),
 423         rhoverHack = /(?:^|\s)hover(\.\S+|)\b/,
 424         hoverHack = function( events ) {
 425                 if ( typeof( events ) !== "string" || jQuery.event.special.hover ) {
 426                         return events;
 427                 }
 428                 if ( rhoverHack.test( events ) ) {
 429                         migrateWarn("'hover' pseudo-event is deprecated, use 'mouseenter mouseleave'", "event-hover");
 430                 }
 431                 return events && events.replace( rhoverHack, "mouseenter$1 mouseleave$1" );
 432         };
 433
 434 // Event props removed in 1.9, put them back if needed; no practical way to warn them
 435 if ( jQuery.event.props && jQuery.event.props[ 0 ] !== "attrChange" ) {
 436         jQuery.event.props.unshift( "attrChange", "attrName", "relatedNode", "srcElement" );
 437 }
 438
 439 // Undocumented jQuery.event.handle was "deprecated" in jQuery 1.7
 440 if ( jQuery.event.dispatch ) {
 441         migrateWarnProp( jQuery.event, "handle", jQuery.event.dispatch, "jQuery.event.handle is undocumented and deprecated", "event-handle" );
 442 }
 443
 444 // Support for 'hover' pseudo-event and ajax event warnings
 445 jQuery.event.add = function( elem, types, handler, data, selector ){
 446         if ( elem !== document && rajaxEvent.test( types ) ) {
 447                 migrateWarn( "AJAX events should be attached to document: " + types, "event-ajax" );
 448         }
 449         eventAdd.call( this, elem, hoverHack( types || "" ), handler, data, selector );
 450 };
 451 jQuery.event.remove = function( elem, types, handler, selector, mappedTypes ){
 452         eventRemove.call( this, elem, hoverHack( types ) || "", handler, selector, mappedTypes );
 453 };
 454
 455 jQuery.fn.error = function() {
 456         var args = Array.prototype.slice.call( arguments, 0);
 457         migrateWarn("jQuery.fn.error() is deprecated", "bind-error");
 458         args.splice( 0, 0, "error" );
 459         if ( arguments.length ) {
 460                 return this.bind.apply( this, args );
 461         }
 462         // error event should not bubble to window, although it does pre-1.7
 463         this.triggerHandler.apply( this, args );
 464         return this;
 465 };
 466
 467 jQuery.fn.toggle = function( fn, fn2 ) {
 468
 469         // Don't mess with animation or css toggles
 470         if ( !jQuery.isFunction( fn ) || !jQuery.isFunction( fn2 ) ) {
 471                 return oldToggle.apply( this, arguments );
 472         }
 473         migrateWarn("jQuery.fn.toggle(handler, handler...) is deprecated", "toggle-handle");
 474
 475         // Save reference to arguments for access in closure
 476         var args = arguments,
 477                 guid = fn.guid || jQuery.guid++,
 478                 i = 0,
 479                 toggler = function( event ) {
 480                         // Figure out which function to execute
 481                         var lastToggle = ( jQuery._data( this, "lastToggle" + fn.guid ) || 0 ) % i;
 482                         jQuery._data( this, "lastToggle" + fn.guid, lastToggle + 1 );
 483
 484                         // Make sure that clicks stop
 485                         event.preventDefault();
 486
 487                         // and execute the function
 488                         return args[ lastToggle ].apply( this, arguments ) || false;
 489                 };
 490
 491         // link all the functions, so any of them can unbind this click handler
 492         toggler.guid = guid;
 493         while ( i < args.length ) {
 494                 args[ i++ ].guid = guid;
 495         }
 496
 497         return this.click( toggler );
 498 };
 499
 500 jQuery.fn.live = function( types, data, fn ) {
 501         migrateWarn("jQuery.fn.live() is deprecated", "live");
 502         if ( oldLive ) {
 503                 return oldLive.apply( this, arguments );
 504         }
 505         jQuery( this.context ).on( types, this.selector, data, fn );
 506         return this;
 507 };
 508
 509 jQuery.fn.die = function( types, fn ) {
 510         migrateWarn("jQuery.fn.die() is deprecated", "die");
 511         if ( oldDie ) {
 512                 return oldDie.apply( this, arguments );
 513         }
 514         jQuery( this.context ).off( types, this.selector || "**", fn );
 515         return this;
 516 };
 517
 518 // Turn global events into document-triggered events
 519 jQuery.event.trigger = function( event, data, elem, onlyHandlers  ){
 520         if ( !elem && !rajaxEvent.test( event ) ) {
 521                 migrateWarn( "Global events are undocumented and deprecated", "event-global" );
 522         }
 523         return eventTrigger.call( this,  event, data, elem || document, onlyHandlers  );
 524 };
 525 jQuery.each( ajaxEvents.split("|"),
 526         function( _, name ) {
 527                 jQuery.event.special[ name ] = {
 528                         setup: function() {
 529                                 var elem = this;
 530
 531                                 // The document needs no shimming; must be !== for oldIE
 532                                 if ( elem !== document ) {
 533                                         jQuery.event.add( document, name + "." + jQuery.guid, function() {
 534                                                 jQuery.event.trigger( name, null, elem, true );
 535                                         });
 536                                         jQuery._data( this, name, jQuery.guid++ );
 537                                 }
 538                                 return false;
 539                         },
 540                         teardown: function() {
 541                                 if ( this !== document ) {
 542                                         jQuery.event.remove( document, name + "." + jQuery._data( this, name ) );
 543                                 }
 544                                 return false;
 545                         }
 546                 };
 547         }
 548 );
 549
 550
 551 })( jQuery, window );